\begin{table} %t2
%\centering
\par
\caption{Results of the LTE analysis. The excitation temperature
$T_{\rm ex}$ is listed in Col.~(2); Col.~(3)--(5) present C, CO and H$_{2}$ column densities; the C/CO ratio is listed in Col.~(6). The uncertainties of the column densities are derived
by varying the integrated intensities by $\pm$15\%.}\label{lteta}      
\small \begin{tabular}{lrrrrc} 
\hline\hline 
Number & $T_{\rm ex}$       & $N$(C)$_{\rm LTE}$  & $N$(CO)$_{\rm LTE}$ & $N$(H$_{2}$)$_{\rm LTE}$ & C/CO$_{\rm LTE}$ \\
  &    K  & 10$^{16}$[cm$^{-2}$]   & 10$^{17}$[cm$^{-2}$]   & 10$^{21}$[cm$^{-2}$]        &                     \\
\hline  
Northern rim         & $\rm 18^{47}_{15}$ & $\rm 12.08^{19.71}_{9.27}$ &  $\rm 9.56^{22.84}_{7.16}$ & $\rm 12.50^{28.55}_{8.95}$      & $\rm 0.13^{0.28}_{0.04}$     \\
Cluster              & 50$_{20}$      &  $\rm 9.61^{11.17}_{7.77}$ & $\rm 16.99^{19.54}_{7.33}$ & $\rm 21.24^{24.43}_{9.16}$      & $\rm 0.06^{0.15}_{0.04}$     \\
Ridge                & 50$_{28}$      &  $\rm 9.04^{10.46}_{7.32}$ & $\rm 19.37^{23.03}_{10.43}$& $\rm 24.21^{28.78}_{13.04}$     & $\rm 0.05^{0.10}_{0.03}$     \\
Map center           & $\rm 48^{50}_{18}$ & $\rm 13.09^{16.00}_{10.68}$& $\rm 24.39^{29.03}_{10.25}$& $\rm 30.49^{36.29}_{12.82}$     & $\rm 0.05^{0.16}_{0.04}$     \\
$[\ion{C}{i}]$ peak  & 50$_{29}$      & $\rm 26.85^{30.88}_{21.71}$& $\rm 44.47^{51.14}_{24.56}$& $\rm 55.59^{63.93}_{30.70}$     & $\rm 0.06^{0.13}_{0.04}$     \\
Western rim          & $\rm 28^{50}_{15}$ & $\rm 19.72^{28.30}_{17.61}$& $\rm 16.25^{29.99}_{9.52}$ & $\rm 20.31^{37.49}_{11.90}$     & $\rm 0.12^{0.30}_{0.06}$     \\
Southern rim         &  $\rm 7^{8}_{6}$   & $\rm 37.50^{72.57}_{21.96}$&  $\rm 6.66^{8.54}_{5.40}$  &  $\rm 8.32^{10.67}_{6.76}$      & $\rm 0.56^{1.34}_{0.26}$     \\
\hline                                 
\end{tabular}
\end{table}